University of Oregon / Library of Congress / Dwight D. Eisenhower Library / Eisenhower Library / /
NaturalFeature
Hells Canyon / /
Organization
Congress / Legislative Council / Bureau of Reclamation / Eisenhower administration / White House / University of Oregon / Bonneville Power Administration / U.S. Military Academy / Bureau of Mines / Corps of Engineers / Department of the Interior / army / office of the Secretary / Interior Department / /
Person
Ralph A. Tudor / Elmer Bennett / Leslie A. Helgesson / Ralph Arnold Tudor / Eisenhower / Douglas McKay / /
Position
Governor / President / Under Secretary of the Interior / Secretary / Department / Under Secretary / Secretary of the Interior / Secretary / officer / /